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Question
Out of the following which statement is NOT true about black body radiation?
Options
A black body emits all wavelengths.
Intensity is less for longer wavelengths.
Intensity is the same for all wavelengths.
Intensity is more for shorter wavelengths.
MCQ
Solution
Intensity is the same for all wavelengths.
Explanation:
The intensity curve at various wavelengths for various temperatures is shown below.
A black body emits all wavelengths.
The graph shows that intensity decreases with longer wavelengths and increases with shorter wavelengths.
shaalaa.com
Spectral Distribution of Blackbody Radiation
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